Instead, Kate, 30, focused on an endangered orangutan hanging in the tree, a mountain peak rising above the clouds, a palm plantation from above and several shots of the Borneo rainforest vegetation.

The photos underline the royal couple's desire to highlight the threatened environment they visited. "Thousands of species of flowering plants, trees, terrestrial mammals and birds can be found in these vast canopies, but they are under serious pressure from commerce and changing weather patterns," one caption reads.